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AZ is 'Bull's Eye of Climate Change'

The White House’s 2014 Natl Climate Assessment definitively links burning of coal and oil to intensifying climate conditions in S. Arizona.

Report: Uranium Cleanup in Navajo Nation Meets Most Objectives

EPA, Bureau of Indian Affairs say they remain committed to cleaning all sites but tens of millions needed in funding.

By the time the Colorado River reaches the soft sandstone of southern Utah, it is a large, powerful river, cutting deep gorges into the Colorado Plateau.

4 States, Feds Partner to Reduce Water Use, Preserve CO River

Central Arizona Project among those chipping in $2M to help farmers, cities, industries pay for water efficiency improvements.

We talk to Vigrinia Rich, Assistant Professor, UA Dept. of Soil, Water and Environmental sciences, about permafrost microbes.

Permafrost Soils Could Contribute to Global Warming, Scientist Says

Recently discovered by team of researchers; have been frozen for tens of thousands of years, but are beginning to thaw, producing methane - a powerful greenhouse gas.

Scientist Study a Mystery of the Deep

Montezuma Castle National Monument, between Phoenix and Flagstaff, is home to a body of water that has left scientists perplexed.

We talk to Teresa Lappin, Member of the Tucson Amateur Astronomy Association, and Robert Gilroy, President  of the Tucson Amateur Astronomy Association, about their organization's history, goals and projects.

Friends of Stars, Skies in S. AZ

Tucson Amateur Astronomy Association is celebrating 60 years in the community; they are connected to all things astronomy.

Tucson Water to Host Town Hall Meetings in May

In order to generate an additional $13M of revenue to cover operations for upcoming fiscal year, agency has proposed two possible rate increases.

Dust blows from Freeport MacMoRan mine tailings near Green Valley, Ariz. in July, 2013. The incident led Pima County to issue a notice that the company violated air quality standards.

Mixed Results for Pima County Air

American Lung Association releases 15th annual State of the Air report; region performed well for particulate matter - fine dust.

The walking trail at Sabino Canyon leads people to the beautiful opening of the canyon.

Forest Service Seeks Input on Upgrades to Sabino Canyon

Sabino’s recreational plan is two decades old and many of the facilities and services are outdated.

Wildlife Agency Investigating Mexican Gray Wolf Death

The male wolf was found dead at the end of March on the Fort Apache reservation; second dead since beginning of the year.

This is just one of the many types of rattlesnake in the desert wilderness of Arizona.

Group Spreads Appreciation, Support for Snakes

Tucson residents are working on awareness, education and conservation of reptiles; hope to give it a better reputation.

Group of people looking at displays of roses.

Roses Compete in Annual Event

At the show, entrants go head-to-head in different categories, including rose photography and arrangements.

County Officials Seek Bond to Revitalize Agua Caliente Park

Water levels at record lows due to prolonged drought; if it gets green light, voters will see proposal on 2015 ballot.

Davis Monthan AFB goes solar

Ft. Huachuca Groundbreaking Solar Array Friday

Army Assistant Secretary Katherine Hammack says it will be the largest on a U.S. military installation.

Harvesting Cholla Buds

For many generations of native people, spring in the Sonoran Desert meant it was time to harvest cholla buds. Now, there is new interest in the prickly plants as a sustainable local food source.

Saguaro Natl Park Finalizes Restoration Plan

Among proposals is addressing management actions to mitigate negative effect to lands from wildfires, floods, restore native plants.

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